Story highlights

Khloe Kardashian has been by Odom's side, source says

Odom was found unresponsive after spending days at a legal brothel in Nevada

(CNN)For years, millions of viewers have followed Lamar Odom's every move -- from the two-time NBA champ's layups on the basketball court to his highly publicized romance with reality TV star Khloe Kardashian.

But now Odom is far from the spotlight's glare, with those closest to him remaining tight-lipped as he fights for his life at a Nevada hospital.

Officials have said little about how he ended up there -- and what his current condition is, days after he was found unconscious at a brothel about an hour from Las Vegas.

The manager of the brothel, Love Ranch in Crystal, Nevada, says Odom was there "to get far away from something."

In three days, Odom spent $75,000 there, the price that guaranteed two women would "take care of any of his needs," owner Dennis Hof told CNN's sister network HLN.

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He used cocaine on his first day at the brothel Saturday, employees told 911 dispatchers, according to authorities. On a 911 call played at a news conference, a woman said she also saw him take 10 herbal supplement tablets over three days.

The brothel's employees also told 911 operators that when they found him Tuesday, Odom was lying in bed on his side with a pinkish fluid coming from his mouth and nose.

As details eked out about what may have led to Odom's hospitalization, members of the Kardashian family have revealed few specifics to their millions of social media followers, instead posting photos of happier times as they rallied support and pushed for prayer.

Kourtney Kardashian shared a photo of Odom hugging one of her children.

"Believing in the power of prayer for this beautiful soul," she wrote.

Odom's father and two children have been with him at the hospital, along with the Kardashians.

In a statement released through their publicist Thursday afternoon, Destiny Odom, Lamar Odom Jr. and their family asked for prayers.

"Thanks for your outpouring of prayers and support for our dad. We are here with our family and friends," the statement said. "We appreciate everyone respecting our privacy at this time. We ask for your continued prayers."

Khloe Kardashian making medical decisions

In addition to appearing on "Keeping Up With the Kardashians," Odom and Khloe Kardashian had their own reality show, "Khloe & Lamar." It lasted for two seasons and 20 episodes.

The two signed divorce papers this year, but the divorce has not been finalized, a source told CNN.

As a result, the source said, Kardashian will make medical decisions for the former NBA star.

The Kardashians have also rallied to support Odom. Khloe Kardashian rushed to his side, together with her sister Kim Kardashian and the Kardashians' matriarch, Kris Jenner. They have been at the hospital since Tuesday night.

"Please pray for Lamar #ourfighter," Jenner posted on Instagram.

Khloe Kardashian's brother,Rob, also expressed concern.

"Praying nonstop for my Brother!!" he posted on Instagram with a picture of the two of them.

A photo posted by ROBERT KARDASHIAN (@robkardashian) on Oct 14, 2015 at 6:35pm PDT

The Rev. Jesse Jackson, who visited Odom on Wednesday morning, said the former basketball star was surrounded by loved ones.

"Khloe was there, and his friends. We joined hands and we had prayer," Jackson told CNN on Thursday.

"He is in a real struggle, and I think the doctors are doing their task," Jackson said. "We fall down and we try to get back up again, and we hope mercy and grace will be extended to (Lamar) and he can get up again."

Lamar Odom dribbles the ball during an NBA game against the Denver Nuggets in November 2010. Odom, who won two championships during his career and later married reality TV star Khloe Kardashian, was hospitalized Tuesday, October 13, after he was found unconscious at a brothel in Nevada. On October 19, Odom was transferred to a Los Angeles hospital where he is reportedly breathing on his own.

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Photos:Former NBA star Lamar Odom

Odom laughs during a game with the University of Rhode Island in November 1998.

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Photos:Former NBA star Lamar Odom

Odom shakes hands with NBA Commissioner David Stern during the 1999 NBA Draft. Odom was drafted by the Los Angeles Clippers.

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Photos:Former NBA star Lamar Odom

Odom goes for a dunk during a game in 2000.

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Odom huddles with his Clippers teammates before a game in December 2002.

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Photos:Former NBA star Lamar Odom

Odom plays for the Miami Heat in December 2003.

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Odom pauses during a game in January 2004.

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Odom speaks to the press as a Los Angeles Laker in October 2005.

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Odom sits next to the Larry O'Brien Trophy during the Lakers' flight back to Los Angeles in June 2009. The Lakers defeated the Orlando Magic for the NBA championship.

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Photos:Former NBA star Lamar Odom

Odom hoists the Larry O'Brien Trophy while riding in the Lakers' victory parade in June 2010. The Lakers defeated the Boston Celtics for a second straight championship.

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Photos:Former NBA star Lamar Odom

Chauncey Billups, left, and Odom hold a trophy after the U.S. team won at the 2010 World Championships.

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Photos:Former NBA star Lamar Odom

Odom receives the Sixth Man of the Year Award from Lakers general manager Mitch Kupchak in April 2011. The award honors the NBA's best player in a reserve role.

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Photos:Former NBA star Lamar Odom

From left, Rob Kardashian, Odom, Khloe Kardashian, Kourtney Kardashian and Kim Kardashian pose for photographers during an event in Los Angeles in April 2011. Odom was married to Khloe, and he was featured in the reality show "Keeping Up With the Kardashians" as well as the couple's own reality show, "Khloe & Lamar," which lasted two seasons.

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Photos:Former NBA star Lamar Odom

Odom plays for Spanish basketball club Laboral Kutxa during a Euroleague game in Vitoria, Spain, in February 2014.

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Four teams, 14 seasons

Odom, 35, won two NBA championships as a forward for the Los Angeles Lakers.

He played for four teams during his 14 seasons in the NBA and won the Sixth Man of the Year Award during the 2010-11 season.

The Los Angeles Clippers drafted Odom in 1999, and he played for the team for four seasons before signing with the Miami Heat.

After one season in Miami, he was traded to the Lakers, and became a key part of their championship teams in 2009 and 2010.

A year later, he played briefly for the Dallas Mavericks before returning to the Clippers for one season. He has not played in the NBA since then, though the New York Knicks signed him during the off-season last year, only to cut him three months later.